Deformation and Fracture of 13CrMoNbV Ferritic-Martensitic Steel at Elevated Temperature

被引：3

作者：

Churyumov, A. Yu. ^{[1
]}

机构：

[1] Natl Univ Sci & Technol MISiS, Moscow 119991, Russia

来源：

PHYSICS OF METALS AND METALLOGRAPHY | 2019年 / 120卷 / 12期

基金：

俄罗斯科学基金会;

关键词：

deformation; fracture; modeling; finite element method; structure; ferritic-martensitic steel;

D O I：

10.1134/S0031918X19120032

中图分类号：

TF [冶金工业];

学科分类号：

0806 ;

摘要：

Based on the results of compression tests in temperature ranges of 1100-1250 degrees C and strain rates of 0.1-10 s(-1), a rheological model of the deformation behavior of the 13CrMoNbV ferritic-martensitic steel is constructed. A fracture criterion for the 13CrMoNbV steel in the process of hot plastic deformation and a method for determining its critical value, based on tensile tests at a Gleeble 3800 complex for physical modeling of thermomechanical processes and the results of modeling using the finite element method,-are proposed. The rheological model and the fracture criterion showed satisfactory accuracy when calculating the deformation process under conditions of a complex stress-strain tension-torsion state at the Gleeble 3800 complex at a temperature of 1100 degrees C.

引用

页码：1228 / 1232

页数：5

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